Toronda Cylinder Gilera Runner 183cc 55mm LC + inner head

High-end racing 65x55mm cylinder for Gilera and piaggio 125 and 180cc engines.
7 transfer ports and 4 part exhaust ports to eliminate the limits from the stock stud pattern.
Fits without milling work on 125 and 180cc engine cases.
Only for 55mm crank with 110mm conrod.
Port timings optimised for racing exhausts, 25-26mm tailpipe diameter recommended.
Stock cylinder can produce 42-47 hp with the right setup.